Patents are supposedly granted to inventors, yet the preamble of each patent independently lists 'inventor' and 'assignee'. So what part exactly does the assig

Patents are supposedly granted to inventors, yet the preamble of each patent independently lists 'inventor' and 'assignee'. So what part exactly does the assignee play other than to represent capital? And clearly capital is valued over innovation, as it is the assignee that actually 'owns' the patent, not the inventor.